/* button styles */
.btn {
	width: 300rpx;
	
	box-sizing: border-box;
	position: relative;
	display: inline-block;
	font-weight: 400;
	line-height: 1.5;
	text-align: center;
	text-decoration: none;
	vertical-align: middle;
	cursor: pointer;
	user-select: none;
	background: linear-gradient(314deg, #76adfb 0%, #4A80F8 100%);
	color: #ffffff;
	border: 1px solid #e9ecef;
	padding: 0.375rem 0.75rem;
	font-size: 1rem;
	border-radius: 4px;
	transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
		border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
		left: 50% !important;
		transform: translateX(-50%) !important;
}

.btn *,
.btn *::before,
.btn *::after {
	box-sizing: inherit;
}

.btn img,
.btn svg {
	display: inline-flex;
	vertical-align: -0.125em;
	width: 1em;
	height: 1em;
}

.btn:hover {
	text-decoration: none;
	background-color: #cbd3da;
}

.btn:focus {
	outline: none;
}

.btn.disabled,
.btn:disabled {
	opacity: 0.65;
	pointer-events: none;
}

.btn.primary {
	background-color: #007bff;
	border-color: #007bff;
	color: #fff;
}

.btn.primary:hover {
	text-decoration: none;
	background-color: #0062cc;
}

.btn.outline {
	background-color: transparent;
	border-color: #e9ecef;
}

.btn.outline:hover {
	text-decoration: none;
	background-color: #e9ecef;
}

.btn.link {
	background-color: transparent;
	color: #007bff;
	border-color: transparent;
}

.btn.link:hover {
	background-color: #e9ecef;
}

.btn.block {
	width: 100%;
	display: block;
}

.btn.small {
	padding: 0.1rem 0.4rem;
}

/* index.html */

*,
*::before,
*::after {
	box-sizing: border-box;
}

body,
html {
	padding: 0;
	margin: 0;
}

body {
	padding: 0.5rem;
}

img {
	display: block;
	/* This rule is very important, please don't ignore this */
	max-width: 100%;
	max-height: 400px;
	width: 100%;
}

.previewAll {
	display: grid;
	grid-template-columns: 4fr 3fr 2fr 1fr;
	gap: 0.5rem;
	margin-top: 0.5rem;
}

.previewAll .preview {
	overflow: hidden;
}

/* file input */

.file-upload-box {
	margin: auto;
	position: relative;
	left: 50% !important;
	transform: translateX(-50%) !important;
}

.file-upload-box .hidden-input {
	position: absolute !important;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(1px 1px 1px 1px);
}

.file-upload-box input.hidden-input:focus+label {
	outline: thin dotted;
}

.file-upload-box input.hidden-input:focus-within+label {
	outline: thin dotted;
}

.file-upload-box .input-label {
	border: 1px solid #eee;
	width: 150px;
	height: 150px;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 2rem;
	font-weight: lighter;
	color: #555;
}
